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-rw-r--r--upgrading/4.0.0.txt22
1 files changed, 21 insertions, 1 deletions
diff --git a/upgrading/4.0.0.txt b/upgrading/4.0.0.txt
index aa1e535d..fd04c44d 100644
--- a/upgrading/4.0.0.txt
+++ b/upgrading/4.0.0.txt
@@ -38,4 +38,24 @@ ALTER TABLE PackageBases
ADD COLUMN Popularity DECIMAL(6,2) UNSIGNED NOT NULL DEFAULT 0;
----
-6. (optional) Setup cgit to browse the Git repositories via HTTP.
+6. Drop the category ID foreign key from the PackageBases table:
+
+`ALTER TABLE PackageBases DROP FOREIGN KEY PackageBases_ibfk_1;` should
+work in most cases. Otherwise, check the output of `SHOW CREATE TABLE
+PackageBases;` and use the foreign key name shown there.
+
+7. Replace the package base categories with keywords:
+
+----
+ALTER TABLE PackageBases DROP COLUMN CategoryID;
+DROP TABLE PackageCategories;
+
+CREATE TABLE PackageKeywords (
+ PackageBaseID INTEGER UNSIGNED NOT NULL,
+ Keyword VARCHAR(255) NOT NULL DEFAULT '',
+ PRIMARY KEY (PackageBaseID, Keyword),
+ FOREIGN KEY (PackageBaseID) REFERENCES PackageBases(ID) ON DELETE CASCADE
+) ENGINE = InnoDB;
+----
+
+8. (optional) Setup cgit to browse the Git repositories via HTTP.